BAT腳本：Ping檢測整個網段哪些IP被佔用了

echo off
set aa=192.168.1
set outputfilename=result_%random%.txt
for /l %%i in (1,1,254) do (
echo ping %aa%.%%i
ping -n 1 %aa%.%%i |findstr "TTL" >nul&&echo %aa%.%%i >>c:\%outputfilename%||echo can not be reached
)

echo "--------------"
echo Ping %aa% done!